Continuous-variable optical quantum-state tomography

A. I. Lvovsky and M. G. Raymer
Rev. Mod. Phys. 81, 299 – Published 16 March 2009

Abstract

This review covers the latest developments in continuous-variable quantum-state tomography of optical fields and photons, placing a special emphasis on its practical aspects and applications in quantum-information technology. Optical homodyne tomography is reviewed as a method of reconstructing the state of light in a given optical mode. A range of relevant practical topics is discussed, such as state-reconstruction algorithms (with emphasis on the maximum-likelihood technique), the technology of time-domain homodyne detection, mode-matching issues, and engineering of complex quantum states of light. The paper also surveys quantum-state tomography for the transverse spatial state (spatial mode) of the field in the special case of fields containing precisely one photon.

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    DOI:https://doi.org/10.1103/RevModPhys.81.299

    ©2009 American Physical Society

    Authors & Affiliations

    A. I. Lvovsky*

    • Department of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada T2N 1N4

    M. G. Raymer

    • Department of Physics and Oregon Center for Optics, University of Oregon, Eugene, Oregon 97403, USA

    • *lvov@ucalgary.ca
    • raymer@uoregon.edu

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    Issue

    Vol. 81, Iss. 1 — January - March 2009

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